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Yield coefficients in dependence on milieu conditions and cell states III. Induction of synchrony in continuous yeast cell cultivation by milieu changes

✍ Scribed by E. Stichel; G. Rogge; T. Bley; Dr. B. Heinritz

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
286 KB
Volume
22
Category
Article
ISSN
0233-111X

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✦ Synopsis

Abstract

Induction of synchrony by various perturbations in continuous yeast cultivation on hydrocarbons of crude oil is described. Short‐time temperature and pH‐value shocks cause oscillations of budding cell percentage in the order of the cell cycle duration. An abrupt change of the phosphate ion concentration of the nutritional medium may also induce a synchronization of microbial growth. However, the frequency corresponds with the eigenfrequency of the fermentation process. The experimental values were investigated statistically using autocorrelation and spectral analysis.

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## Abstract The influence of perturbations on continuous yeast cell cultivations on hydrocarbons of crude oil is described Due to such perturbations the fermentation system leaves its steady state, passes through transitional stages and reaches a new steady state. In the transitional stages a damp